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Deep-Ultraviolet Nonlinear Optics in a Borate Framework with 21-Ring Channels

机译:具有21环通道的硼酸盐框架中的深紫外非线性光学

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A new borate LiBa3(OH)[B9O16][B(OH)(4)], which combines the uniform porosity of open-frameworks with the extraordinary NLO properties of borates, has been obtained under hydrothermal conditions by using mixed lithium and barium ions as templates. The framework displays an acs-type net with large 21-ring channels. The second harmonic generation (SHG) measurement shows that it is a type I phase-matchable material with a strong SHG signal intensity about 3.1 times that of KDP (KH2PO4). UV/Vis-NIR diffuse reflectance analysis indicates that the compound has a wide transparency range with the short-wavelength absorption edge below 200 nm. These characteristics reveal that the compound is a promising deep-UV nonlinear optical material.
机译:在水热条件下,通过使用锂和钡的混合离子,获得了一种新型的硼酸锂LiBa3(OH)[B9O16] [B(OH)(4)],它将开放骨架的均匀孔隙率与硼酸盐的非常规NLO性质结合在一起作为模板。该框架显示具有大型21环通道的acs型网络。二次谐波(SHG)的测量表明,它是I型相匹配材料,具有很强的SHG信号强度,约为KDP(KH2PO4)的3.1倍。 UV / Vis-NIR漫反射率分析表明该化合物具有较宽的透明度范围,短波长吸收边缘低于200 nm。这些特性表明该化合物是一种很有前途的深紫外非线性光学材料。

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